4103121509 has 2 divisors, whose sum is σ = 4103121510. Its totient is φ = 4103121508.

The previous prime is 4103121443. The next prime is 4103121523. The reversal of 4103121509 is 9051213014.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2946101284 + 1157020225 = 54278^2 + 34015^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4103121509 is a prime.

It is a super-2 number, since 2×4103121509² = 33671212235236874162, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4103121559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2051560754 + 2051560755.

It is an arithmetic number, because the mean of its divisors is an integer number (2051560755).

Almost surely, 2^4103121509 is an apocalyptic number.

It is an amenable number.

4103121509 is a deficient number, since it is larger than the sum of its proper divisors (1).

4103121509 is an equidigital number, since it uses as much as digits as its factorization.

4103121509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 4103121509 is about 64055.6126268417. The cubic root of 4103121509 is about 1600.9267429313.

The spelling of 4103121509 in words is "four billion, one hundred three million, one hundred twenty-one thousand, five hundred nine".